201494480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{571}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 513235008

約数和(自身を除く): 311740528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 401, 440, 571, 802, 880, 1142, 1604, 2005, 2284, 2855, 3208, 4010, 4411, 4568, 5710, 6281, 6416, 8020, 8822, 9136, 11420, 12562, 16040, 17644, 22055, 22840, 25124, 31405, 32080, 35288, 44110, 45680, 50248, 62810, 70576, 88220, 100496, 125620, 176440, 228971, 251240, 352880, 457942, 502480, 915884, 1144855, 1831768, 2289710, 2518681, 3663536, 4579420, 5037362, 9158840, 10074724, 12593405, 18317680, 20149448, 25186810, 40298896, 50373620, 100747240, 201494480]

約数ペア:

[(1, 201494480), (2, 100747240), (4, 50373620), (5, 40298896), (8, 25186810), (10, 20149448), (11, 18317680), (16, 12593405), (20, 10074724), (22, 9158840), (40, 5037362), (44, 4579420), (55, 3663536), (80, 2518681), (88, 2289710), (110, 1831768), (176, 1144855), (220, 915884), (401, 502480), (440, 457942), (571, 352880), (802, 251240), (880, 228971), (1142, 176440), (1604, 125620), (2005, 100496), (2284, 88220), (2855, 70576), (3208, 62810), (4010, 50248), (4411, 45680), (4568, 44110), (5710, 35288), (6281, 32080), (6416, 31405), (8020, 25124), (8822, 22840), (9136, 22055), (11420, 17644), (12562, 16040)]